Spudding shoe



July 28, 1925.

L. C. MILLER SPUDDING SHOE Filed June 5 1924 Patented July 28, 1925. 7'I In If r UNITED STATES BATENTu-a i i I LESTER F fi f if ,-SasDINaaa j,I i a lication fi1ed.;.T une a, lease 1 7117,7666. I i

To all whom it may concern: I .lteferring nowumore particularly to theBe 1t knownthat I, Lns'rnn C. MIL ER, a drawings, the device consistsoftwo identicitizen of the United States, residin at cal sections eachhaving an arcuate edge Skiatook, in the county of Tulsa and tate T 11, astraight'edge 12 chordal to the arcuate of Oklahoma, have inventedcertain new edge 11,-.theendsof the sections being pref and usefulImprovements in Spudding. erablytruncated as indicated at 13. TheseShoes, of which the following is a specificasectionshare, secured to oneanother by bolts I tion, reference being-had to the accompanylextendin'g through openings spaced from ing drawings. I the'arcuate,edge' thereof andwith their This nvention relates to spudding shoesarcuate edges coinciding. Adjacent faces of I for welldrilling apparatusand has for an the sections when in assembled relation,

-important object .thereof'the-provision of a have their arcuate edgesrabbeted, as at 15 i the line 44 of Figure 3;

' removed. I I I spudding. shoe having a drilling cable ento provide aninclinedbevel from such faces gagingsurface constructed to relievethe'to :the a'rcuateedgqthese bevels combining friction ordinarily appliedto the drilling to provide a v-shaped roove 16 in the face. cable. Y r IA of thetcompleted spudding shoe ,for the re A further object'oftheinventionis to ception a drilling cable generally indiprovide aconstruction'of; this character in cated at 117 .3 I I I L i which thedrilling cable engaging surface'is 1 ,Formedin adjacent faces of thesections readily renewable when destroyed or. 10 upon; an arcuate l ineconcentric with the I grooved by "contact with thecable. gefl f -S i ns"is r f fi i A. stillfurther objectof theinvention is sockets, thecentersv of these sockets lying to provide a device of this character,in outwardly of the inner edge of the bevel. which the mounting of thesesections is These socketsxcombine to provide bearings 89 greatlysimplified and in which the simplifor theends of rollers. 19 theperipheries of 1 fied'mounting is extended not only to this whichintercept the base. of the V-shaped cable engaging surface but likewiseto the groove and receive-the pressure of the drillrein mounting of therope socket by means ing cable, thus providing rotating surfaces ofwhich the spudding shoe is operated and against which the cable may bearpreventto the handle by means of which the shoe is ing'groovingorcutting at any one particumanipulated and placed in position. lar pointat the base of the groove. As the A still further object of theinvention is rollers become worn they may be readily to provide a deviceof this character in replaced by separating the sections, or those which'the device is made in two sections disposed at the ends of the groove,and conidentical in their construction, so that the sequently receivingbut slight wear, may be cost of production of the devicemay be very"interchanged with those disposed at the cenmaterially reduced andexpedited. ter of the groove until the entire. lot of These and otherobjects I attain by the rollers is'so worn as to become useless.Exconstruction shown in the accompanying tending inwardlyfrom thestraight face 12 drawings, wherein for the purpose of illusof each ofthe sections at the adjacent faces tration is shown a preferredembodiment of thereof are grooves 20, these grooves commy invention "andwherein o bining in the assembled position of the sec- Figure 1 is afragmentaryside elevation tions to provide sockets for the reception ofof a drilling rig showing the application of the endsof the arms 21 of aU-shaped handle 100 the spudding shoe thereto; 7 22. One groove, of eachopposed pair of Figure 2 is a perspectiveview of the spudsections, inassembled relation is provided ding shoe detached; 7 i at the inner endthereof with a socket 23 Figure 3 is a vertical sectional view receivingan angular foot 24 formed upon through the 'spudding shoe between thesecthe end of 'its-receivingarm 21, these angular tions; feetbeing-oppositely directed and, there Figure 4 is a transverse'sectionalview on fore, maintaining the'handle rigidly in position upon the shoe.Intermediate these Figure 5 is a transverse sectional view on groovesand at the center of each section, I the line 55 of Figure 3; thesections have each formed therethrough 119 Figure 6 is a perspective ofthe handle a bore 25 the inner end of which is en- 'larged, as at 26, toreceive the hub portion 27 of a rein receiving shaft 28 the ends ofhooks 29 of the reins of, a rope socket 30 attached to the end of a jerkline 31. It

will readily be seen that all of the various sections employed in theconstruction of the device are readily removable and replaceable inevent of wear and that the device may be very cheaply produced due to.the fact that the sections 10 are exact duplicates of one another.

It will furthermore be obvious that the construction hereinbefore setforth is capable of a certain range of change and modification withoutmaterially departing from the spirit of my invention and I accordinglydo not limit myself to such specific structure except as hereinafterclaimed.

I claim 1. In a spudding shoe, a pair of identical sections each havingan arcuate edge, the sections beingsecured face to face with theirarcuate ed es-coinciding, the adjacent faces of. the sections beingrabbeted at their arcuate edges whereby the sections when combinedprovide an arcuately curved face having a groove for the reception of adrilling line, and rollers having their ends Ournale in adjacent facesof the sections and their peripheries projecting into the groove toreceive the drilling line.

2. In a spudding shoe, a pair of identical sections each having anarcuate edge, the

sections being secured face to face with their arcuate edges coinciding,the adjacent faces of the sections being rabbeted at their arcuate edgeswhereby the sections when combined provide an arcuately curved facehaving a groove for the reception of a drilling line, said sections eachhaving aligned bores therethrough, the adjacent ends of the bores of thesections being enlarged, and a rein receiving shaft directed through thebores of the sections and having an enlarged hub portion fitting theenlarged portions of the bores. V I

3. In a spudding shoe, a pair of identical sections each having anarcuate edge, the' sections being secured face to face with theirarcuate edges coinciding, the adjacent faces of the sections beingrabbeted at their arcuate edges whereby the sections when combinedprovide an arcuately curved face having a groove for the reception of adrilling line, said sections having in adjacent faces thereof and at theedge thereof opposite to said arcuate edges coacting grooves providingsockets for the ends of the arms of a U- shaped handle member, saidhandle member being provided at the ends of the arms thereof withangular feet, one grooveof each of said sections having at the inner endthereof a socket for the reception of the foot of the received arm ofthe handle.

In testimony whereof I hereunto aflix my signature.

LESTER C. MILLER.

